{"id":1559,"date":"2017-03-26T10:34:49","date_gmt":"2017-03-26T09:34:49","guid":{"rendered":"https:\/\/www.weidmann-group.com\/news\/transformer-failure-analysis-solar-power-plant\/"},"modified":"2026-07-28T07:53:34","modified_gmt":"2026-07-28T06:53:34","slug":"transformer-failure-analysis-solar-power-plant","status":"publish","type":"post","link":"https:\/\/www.weidmann-group.com\/de\/news\/transformer-failure-analysis-solar-power-plant\/","title":{"rendered":"Transformer Failure Analysis: Solar Power Plant"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A photovoltaic plant connected to the high-voltage (HV) network has experienced more than 30 transformer failures in under six months. Weidmann was engaged to perform a range of services to determine the cause of the failures and suggest corrective action:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Services included:<\/p>\n\n\n\n<ul class=\"wp-block-list has-medium-font-size\">\n<li>Transformer assessment (failure analysis and existing fleet)<\/li>\n\n\n\n<li>On-site measurements<\/li>\n\n\n\n<li>Network simulations<\/li>\n\n\n\n<li>Transformer manufacturer investigation and audit<\/li>\n\n\n\n<li>Dielectric and moisture tests<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Following an extensive investigation and tests performed by Weidmann, the root cause of the problem was identified, and corrective action was taken.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This investigation was awarded Best Paper at the 2016 IEEMA 2<sup>nd<\/sup>&nbsp;TRAFOTECH International Conference in New Delhi, India.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.weidmann-group.com\/wp-content\/uploads\/2025\/04\/IEEMA_Trafotech_Workshop_Paper_WKS_Weidmann_Electrical_Technology_AG.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Trafotech Workshop PDF Paper<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.weidmann-group.com\/wp-content\/uploads\/2025\/04\/Transformer_Failure_Analysis_Case_Study_Weidmann_Electrical_Technology_AG.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Case Study PDF Download\u00a0<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A photovoltaic plant connected to the high-voltage (HV) network has experienced more than 30 transformer failures in under six months. Weidmann was engaged to perform a range of services to determine the cause of the failures and suggest corrective action: Services included: Following an extensive investigation and tests performed by Weidmann, the root cause of [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1559","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study-de"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Transformer Failure Analysis: Solar Power Plant - Weidmann Group<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.weidmann-group.com\/de\/news\/transformer-failure-analysis-solar-power-plant\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Transformer Failure Analysis: Solar Power Plant - Weidmann Group\" \/>\n<meta property=\"og:description\" content=\"A photovoltaic plant connected to the high-voltage (HV) network has experienced more than 30 transformer failures in under six months. Weidmann was engaged to perform a range of services to determine the cause of the failures and suggest corrective action: Services included: Following an extensive investigation and tests performed by Weidmann, the root cause of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.weidmann-group.com\/de\/news\/transformer-failure-analysis-solar-power-plant\/\" \/>\n<meta property=\"og:site_name\" content=\"Weidmann Group\" \/>\n<meta property=\"article:published_time\" content=\"2017-03-26T09:34:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-28T06:53:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.weidmann-group.com\/wp-content\/uploads\/2025\/04\/Solar-transformer-failure-analysis.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"2121\" \/>\n\t<meta property=\"og:image:height\" content=\"1413\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"greghustler\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"greghustler\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 Minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/news\\\/transformer-failure-analysis-solar-power-plant\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/news\\\/transformer-failure-analysis-solar-power-plant\\\/\"},\"author\":{\"name\":\"greghustler\",\"@id\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/#\\\/schema\\\/person\\\/14c90b49f417ab0f70e7abc391243696\"},\"headline\":\"Transformer Failure Analysis: Solar Power Plant\",\"datePublished\":\"2017-03-26T09:34:49+00:00\",\"dateModified\":\"2026-07-28T06:53:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/news\\\/transformer-failure-analysis-solar-power-plant\\\/\"},\"wordCount\":115,\"image\":{\"@id\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/news\\\/transformer-failure-analysis-solar-power-plant\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.weidmann-group.com\\\/wp-content\\\/uploads\\\/2025\\\/04\\\/Solar-transformer-failure-analysis.avif\",\"articleSection\":[\"Case study\"],\"inLanguage\":\"de-DE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/news\\\/transformer-failure-analysis-solar-power-plant\\\/\",\"url\":\"https:\\\/\\\/www.weidmann-group.com\\\/de\\\/news\\\/transformer-failure-analysis-solar-power-plant\\\/\",\"name\":\"Transformer Failure Analysis: Solar Power Plant - 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